Chair



FIG. 1 is a front elevational view of a chair showing my design;

FIG. 2 is a top view of the design;

FIG. 3 is a left side view of the design;

FIG. 4 is a rear view of the design; and

FIG. 5 is a bottom view of the design.

The side of the chair not shown is a mirror image of the side shown in FIG. 3. 

The ornamental design for a chair, as shown and described. 